.myAttention {
    height: 100%;
    width: 100%;
    display: flex;
    flex-direction: column;
    main {
        flex: 1;
        display: flex;
        flex-direction: column;
        nav {
            flex: 1;
            overflow: hidden;
            .data-box {
                overflow-y: auto;
            }
        }
    }
}